Home / 995,899.52-1,374,360-543,206.72

Finding the Fourth Proportional to 995,899.52, 1,374,360 and 543,206.72

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Solution

The fourth proportional to 995,899.52, 1,374,360 and 543,206.72 is: 749,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,899.52 : 1,374,360 = 543,206.72 : x
  2. Step 2: Convert to fraction form
    995,899.52/1,374,360 = 543,206.72/x
  3. Step 3: Cross multiply
    995,899.52x = 1,374,360 × 543,206.72
  4. Step 4: Simplify right side
    995,899.52x = 746,561,587,699.20
  5. Step 5: Solve for x
    x = 746,561,587,699.20/995,899.52
  6. Step 6: Final answer
    x = 749,635.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.